<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <!-- 放置标题图片 @是设置的别名-->
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png" alt="">
        </h3>
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model="loginForm.mobile"
          placeholder="请输入手机号"
          name="mobile"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button class="loginBtn" :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">Login</el-button>

      <div class="tips">
        <span style="margin-right:20px;">账号: 13600000005</span>
        <span> 密码: 123456</span>
      </div>

    </el-form>
  </div>
</template>

<script>

export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        mobile: '13600000005',
        password: '123456'
      },
      loginRules: {
        mobile: [
          { required: true, message: '手机号必填', trigger: 'blur' },
          { pattern: /^1[3-9][0-9]{9}$/, message: '请输入正确手机号', trigger: 'blur' }
          // { validator: checkMobile, trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码必填', trigger: 'blur' },
          { min: 6, max: 12, message: '密码必须在 6-12 位之间', trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    async handleLogin() {
      try {
        await this.$refs.loginForm.validate()
        // dispatch 返回的是一个promise  异步非堵塞的
        // async await 只能作用与promise
        await this.$store.dispatch('user/login', this.loginForm)
        // 给个提示
        this.$message.success('登录成功')
        // 跳转页面
        this.$router.push('/')
        // console.log('校验成功')
        // const res = await login(this.loginForm)
        // console.log(res)
        // login(this.loginForm).then(res => {
        //   console.log(res)
        //   console.log('登录成功')
        // })
      } catch (error) {
        console.log('失败')
      }
      // this.$refs.loginForm.validate(valid => {
      //   if (valid) {
      //     this.loading = true
      //     this.$store.dispatch('user/login', this.loginForm).then(() => {
      //       this.$router.push({ path: this.redirect || '/' })
      //       this.loading = false
      //     }).catch(() => {
      //       this.loading = false
      //     })
      //   } else {
      //     console.log('error submit!!')
      //     return false
      //   }
      // })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray: #000;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css 给一个全局独一无二的标量 */
.login-container {
  // ~  不加这个就会以为是一个文件夹
  background-image: url('~@/assets/common/login.jpg'); // 设置背景图片
  background-position: center; // 将图片位置设置为充满整个屏幕
  background-size: cover;
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        // box-shadow: 0 0 0px 1000px $bg inset !important;
        // -webkit-text-fill-color: $cursor !important;
        // 九万多秒后input 的白色背景才会显示出来
        //    Chrome会在客户登陆过某网站之后, 会自动记住密码
        //当你下次再次进入该网站的时候, 可以自由的选择登陆的账号, Chrome会为你自动填充密码. 而你无需再输入密码
        //这本身是一个很好的功能, 但是对于开发者而言, 却有一个很让人难受的问题.
        //当你选择账号密码之后, 你的输入框会变成浏览器自带的颜色。
        //之所以出现这样的样式, 是因为Chrome会自动为input增加如下样式.
        transition-delay: 99999s;
        transition: color 99999s ease-out, background-color 99999s ease-out;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    // background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    background: rgba(0, 0, 0, 0.1); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }
  .el-form-item__error {
    color: #fff
  }
  .loginBtn {
    background: #407ffe;
    height: 64px;
    line-height: 32px;
    font-size: 24px;
    opacity: 0.7;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
